HURRYY a phlebotomist draws the blood of a random sample of 50 patients and determines their blood types as shown: O O A O O

B O B A O

AB B A B B

A O O A O

AB O A B A

A A A O A

O A O AB A

O AB A A O

O A O O O

O A O A O

construct a frequency distribution:

A

AB

B

O

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?